So how do you know when your wine grapes are ready for harvest? Wineries are looking for more than just solid brix levels. There are other chemical indicators to consider. This was one of the topics of discussion at California State University Fresno’s biennial industry Grape Day. Watch this brief interview with Tim Holt from E&J Gallo Winery as he provides his perspective on what growers should be looking for to know that their grapes are ready to harvest and produce quality wines. Read more of the proceedings of Fresno State Grape Day in American Vineyard Magazine. Enjoy our Ag video news? Be sure to let our sponsor Duarte Nursery know & thank them for their industry support!